[NOTE: Proteoglycans are a major component of the animal extracellular matrix, the «filler» substance existing
between cells in an organism.
Not exact matches
(Cf. the phenomenon of the «runners» at first connected with the mother plant and then separated from it; the fluid transition
between various plants and animals which appear to be one; the germ -
cell inside and outside the parent
organism, etc.) Living forms which present what are apparently very great differences
in space and time can ontologically have the same morphological principle, so that enormous differences of external form can derive from the material substratum and chance patterns of circumstance without change of substantial form (caterpillar - chrysalis butterfly).
Myc is an important player
in the growth of
organisms and also is implicated
in cancer, another unhealthy competition
between cells.
Sequencing the genome of one such
organism, King and her colleagues found genes that code for pieces of the same proteins used for the binding of
cells and communication
between cells in animals — functions that would be unexpected
in such an
organism.
Nerve signals control the communication
between the billions of
cells in an
organism and enable them to work together
in neural networks.
«There's no shared common descent
between species, since every single creature
in Spore can trace its lineage back to a different single -
celled organism that arrives from space.»
Scientists typically don't classify viruses as living
organisms, but giant viruses like these, with their own protein - making machinery and other functions normally carried out
in living
cells, blur the lines
between what's alive and what isn't.
The bond
between either
cells and other
cells or
cells and surfaces is vital to
organisms, for example
in the development of internal organs and tissue.
The communication
between the
cells of a body
in the various organs is an essential prerequisite for the existence of multicellular
organisms.
Still, he said, the new data, «has important implications for understanding the genesis of cancer and the interaction
between human
cells and other microbial or viral
organisms in or around us.»
So while it's true that
organisms living deep
in the Earth are not exposed to the high - energy radiation found when you travel
between planets or more hypothetically
between stars, the systems that
cells have evolved to repair damage done by reactive oxygen species will be useful whether they arise from rocks or from cosmic rays.
The researchers then concluded that as the amount of NAD +
in cells declines with age, there aren't enough of these molecules to prevent harmful interactions
between proteins called DBC1 (which is found across a wide range of
organisms, from bacteria to humans) and PARP1 (a protein that is known to control DNA repair).
To see if those effects might explain the link
between paraquat, aging, and PD
in living
organisms, the team turned to genetically altered mice that the Campisi lab had developed for senescent
cell studies.
Since regeneration recapitulates
in broad strokes embryonic development, during which a complex multi-cellular
organism develops from a handful of embryonic stem
cells, the researchers began by comparing gene expression patterns
between the two processes.
In fact, the interaction between phosphate and magnesium ions make this mineral essential to the functioning of all cells in all living organism
In fact, the interaction
between phosphate and magnesium ions make this mineral essential to the functioning of all
cells in all living organism
in all living
organisms.
Any living
organism has to have boundaries
between its different parts, right down to its individual
cells in order to function properly.